Ill-proportioned is an adjective used to describe something that is poorly designed and does not have a harmonious balance. The following are some antonyms for the word ill-proportioned: well-proportioned, symmetrical, balanced, proportionate, harmonious, even, uniform, graceful, fitting, and coordinated. These antonyms describe objects, shapes or other elements that are visually appealing due to their well-thought-out proportion and balance. It is important to use antonyms like these to improve the aesthetics or design of any object, as they offer an appealing, attractive and balanced result. The use of appropriate antonyms helps to give ideas for creating and designing things with the correct balance and proportion.